1. Numbers
  2. Compare 20897 vs 21191

Compare 20897 vs 21191

Property2089721191
Typeprimeprime
Unique factors11
Total factors11
Prime factorization208971211911
Prime factorization2089721191
Divisors count22
Divisors1, 208971, 21191
Number of properties97
Chen primes1156th1171st
Cousin primes (2nd member) 361st
Good primes264th 
Harmonic primes861st 
Long primes893rd 
Primes2350th2383rd
Prime triplets (1st member)174th 
Prime triplets (2nd member) 178th
Pythagorean primes1169th 
Sexy primes (1st member)713th 
Super primes 354th
Twin primes (1st member)356th361st
Ulam primes 179th
Roman numberals  
Base 210100011010000121010010110001112
Base 31001122222310020012123
Base 4110122014110230134
Base 51132042511342315
Base 624042562420356
Base 711463271155327
Base 8506418513078
Base 9315889320559
Base 1020897102119110
Base 11147781114a1511
Base 1210115121031b12
Base 13968613985113
Base 147889147a1914
Base 1562d215642b15
Base 1651a11652c716
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